Snowberry, Creeping, and Sean Blenkinsop. “‘Why Are Those Leaves Red?’ Making Sense of the Complex Symbols: Ecosemiotics in Education”. The Trumpeter 26, no. 3 (September 10, 2010): 50–60. Accessed May 28, 2026. https://www.trumpeter.athabascau.ca/index.php/trumpet/article/view/1198.